<!DOCTYPE html>
<html>
    <head>
        <script src="js/vue.js"></script>
    </head>
    <body>
        <div id="app">
            <parent></parent>
        </div>
        <template id="child">
            <div>
            <button @click="click">send</button>
            <input type="text" v-model="msg" />
            </div>
        </template>
        <script>
            Vue.component('parent',{
                template : '<div><child @child="transContent"></child>子组件传来的值是{{message}}</div>',
                data : function() {
                    return {message:''}
                },
                methods : {
                    transContent(payload){
                        this.message = payload;
                    }
                }
            });
            Vue.component('child',{
                template:'#child',
                data : function(){
                    return {
                        msg : '子组件的消息'
                    }
                },
                methods : {
                    click(){
                        this.$emit('childFn',this.msg);
                    }
                }
            })
            var vm = new Vue({ el:'#app'})
        </script>
    </body>
</html>